|
This is just a guess but - is it possible after building slurm
against PMIx, you should build openmpi against SLURM's PMIx
instead of directly using external? I would assume slurm's PMI
server now "knows" PMIx. On 06/08//2017 16:14, Charles A Taylor
wrote:
HI Gilles, I tried both “—with-pmix=/opt/pmix” and “—with-pmix=internal” and got the same “UNREACHABLE” error both ways. I tried the “external” first since that is what SLURM was built against.I’m missing something simple/basic - just not sure what it is. Thanks, CharlieOn Aug 6, 2017, at 7:43 AM, Gilles Gouaillardet <gilles.gouaillar...@gmail.com> wrote: Charles, did you build Open MPI with the external PMIx ? iirc, Open MPI 2.0.x does not support cross version PMIx Cheers, Gilles On Sun, Aug 6, 2017 at 7:59 PM, Charles A Taylor <chas...@ufl.edu> wrote:On Aug 6, 2017, at 6:53 AM, Charles A Taylor <chas...@ufl.edu> wrote: Anyone successfully using PMIx with OpenMPI and SLURM? I have, 1. Installed an “external” version (1.1.5) of PMIx. 2. Patched SLURM 15.08.13 with the SchedMD-provided PMIx patch (results in an mpi_pmix plugin along the lines of mpi_pmi2). 3. Built OpenMPI 2.0.1 (tried 2.0.3 as well). However, when attempting to launch MPI apps (LAMMPS in this case), I get [c9a-s2.ufhpc:08914] PMIX ERROR: UNREACHABLE in file src/client/pmix_client.c at line 199I should have mentioned that I’m launching with srun —mpi=pmix … If I launch with srun —mpi=pmi2 ... the app starts and runs without issue. _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users_______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users_______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users |
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